Mathematics

Mathematics

Problem

Simplify (3x−2y3)−227x−5y\displaystyle \frac{(3x^{-2}y^{3})^{-2}}{27x^{-5}y} and express your answer with positive exponents only. a) x9y7243\dfrac{x^{9}y^{7}}{243} b) x99y7\dfrac{x^{9}}{9y^{7}} c) x9243y7\dfrac{x^{9}}{243y^{7}} d) x−9243y7\dfrac{x^{-9}}{243y^{7}}

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